Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dennis J Lyons, DPM
Podiatrist in Oakland, CA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154314011
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Registry record
Entity type Individual (Type 1)
Name Dennis J Lyons
Credential DPM
Sex Male
Practice address 4247 Mac Arthur Blvd., Oakland, CA, 94619
Phone (510) 530-0840
Fax (510) 530-0873
Enumeration date Aug 25, 2005
Last updated in NPPES Apr 17, 2008
Taxonomy & licenses
DPM · Doctor of Podiatric Medicine: A physician specializing in medical and surgical care of the foot and ankle.
About the DPM credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 5006060001 | Other | CA | DME NORIDIAN |
| 000E22830 | Medicaid | CA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Dennis Lyons?
Dennis Lyons is registered in NPPES with the primary taxonomy of Podiatrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-17.